/Engine/Plugins/2D/Paper2D/Source/Paper2D/Classes/PaperFlipbookComponent.h
Jump to a position in the flipbook (expressed in frames). If bFireEvents is true, event functions will fire, otherwise they will not.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Components|Flipbook") void SetPlaybackPositionInFrames ( int32 NewFramePosition, bool bFireEvents )